The Dutch Navy Museum is a naval museum in Den Helder, Netherlands. The museum is dedicated to the history of the Koninklijke Marine (Royal Netherlands Navy). The most important ships the museum owns are: * HNLMS Abraham Crijnssen (minesweeper) * HNLMS Schorpioen (ironclad ram) * HNLMS Tonijn (submarine) * HNLMS Bonaire (steamship) (under restoration) * HNLMS De Ruyter (guided missile destroyer) (Deck and radar)